66 DAVY: ADDITIONS TO NORTH LINCOLNSHIRE FLORA. 
The second excursion was made on Bank Holiday, August 4th, 
when Mr. F. Arnold Lees, of Leeds, kindly undertook to lead the 
party—consisting of members of the Louth, Alford, Grimsby, and 
Hatton Naturalists’ Societies—in an investigation of the Mablethorpe 
flora ; the party also had the acceptable company of three members of 
the Ravensthorpe (Dewsbury) Naturalists’ Society. After proceeding 
about two miles over the sandhills northward, and there being no 
apparent variation in the flora to tempt them farther in that direc- 
tion, the members bent their steps inlend to search the numerous 
dykes and drains of the ‘ Marsh’ for aquatic plants. During the’ 
h 
40 had not been previously recorded for the district. The most 
noteworthy were, on the sandhills: a canina var. tomentella 
eman), not in flower; Sedum acre 1., S. rupestre Huds. (a garden 
escape), Carum Peirostivham Benth. lier in flower, also an escape), 
Lrigeron acre V.., Cnicus acaulis var. caulescens, Crepis virens L., 
Leontodon hirtus \.., L. hispidus V.., Lactuca virosa 1... Cynoglossum 
officinale L., Calystegia Soldanella ®.Br., Lyctum barbarum \.. (here 
a acnily-cotablished garden escape), Sa/sola Kali L., Hippophaé 
Rhamnoides \., (in fruit); Orchis pyramidalis L., Asparagus offict- 
nalis \.., Allium vineale 1. (in seed); Ammophila arundinacea Host., 
and Elymus arenarius L. In and, beside the drains and dykes were 
found, among others :—Aanunculus circinatus Sibth.; Myrtophyllum 
spicatum L., Conium maculatum \.., Apium graveolens 1., Sium latt- 
Jolium \.., Cinanthe fistulosa \.., G2. lachenalit Gis }., Szdaus 
pratensis Bess., Galium palustre 1 Achillea Ptarmica \.., ‘Samolus 
Valerandi \.., Veronica Anagallis L., Utricularia vulgaris L., Pol)- 
gonum et btn L., Elodea ae Michx. (introduced into 
England about the year 1841), Aydrocharis Morsus-rane \.., Juncus 
glaucus Ehrh., J. obtusifiorus Ebrh., Sparganium simplex Huds., 
Lemna gibba L., Butomus umbellatus 1... Potamogeton natans 1., 
P. perfoliatus L., P. crispus L., P. densus \.., P. pusillus 1.., P. peett- 
natus 1, Scirpus maritimus 1, and Glyceria aquatica Sm. ‘The 
fields and road-sides yielded :—Papaver Somniferum 1. (a well- 
established Colonist), AZalva rotundifolia 1., Filage germanica L-, 
Pulicaria dysenterica Gertn., Senecio Jacobea var. flosculosus (Jord.), 
Sonchus arvensis var. ehabio Lond.Cat., Carex cvulpina 1.., and 
. riparia Curtis. On the permanent way occurred Zrysimum 
cheiranthoides \.. and Linaria viscida Moench; and Planta 
maritima \.., P. Coronepus 1.., and Aster T: ripolium \.. were found 
on the muddy banks of the catch-waters ; the latter—which was not 
in flower—was only seen at Trusthorpe. 
passat 
Naturalist. 
